//C07:7.5:arrfun1.cpp -- functions with an array argument
#include <iostream>
const int ArSize = 8;
int sum_arr(int arr[], int n);    // prototype

int main()
{
	using namespace std;
	int cookies[ArSize] = {1, 2, 4, 8, 16, 32, 64, 128};
	// some systems require preceding int with static to
	// enable array initialization
	int sum = sum_arr(cookies, ArSize);
	cout << "Total cookies eaten: " << sum << "\n";
	return 0;
}
int sum_arr(int arr[], int n)
{
	int total = 0;
	for (int i = 0; i < n; i++)
	{
		total = total + arr[i];
	}
	return total;
}
